Model: 01AV493 // Voltage: 15.2V // Capacity: 32Wh 2100mAh // Color: Black // Type: Plug & Play Li-ion Battery. Replacement for Part Number: 01AV493 SB10L84121 00UR891 SB10L84122 00UR892 SB10L84123 00UR890. Compatible Models: Fit for Lenovo ThinkPad T570 T580 P51s P52s Series. Note 1: In order to find the right model, please open the back case of your laptop and check the model number of your original battery. Note 2: Before installing the replacement battery, please read the manual carefully.